OpenTechnical

OT-2026-000103466

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000103466) never changes.

Identity and time

Publication numberOT-2026-000103466 · never reused
Internal UUID01a0aea4-e460-719f-a121-527a71c1009d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103466
StatusPUBLIC

Content hashes

Canonical textcac82e8805bf1221b52080dd98bfe5c2a00bed1fd916eba486738c5b8023a0fc
Markdownd83538fca57b4d61a09f3614cd123bcdb54c7532be8aa49e27db9a3bce009e56
PDF
Publication pagefb8413897f12fa61b3b4e3a3f2167cdc420acfc0f7b7553f67f600b2bbeb86dd
Manifestc6191a7e23a7d7d4d7dd9a254796c23100f325d3771bf2abe124930d07c14e3e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehLdlPPANn9wORd0kuzlwv1+uXs/DP4y5U8SXt11NvCbZni8emYFy4z74vIOvaRfEngt+7u8evh5+BS37NdAjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:13.471343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103466
observed fb8413897f12fa61b3b4e3a3f2167cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.454346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103466/manifest.json
observed c6191a7e23a7d7d4d7dd9a254796c231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.437398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103466/publication.md
observed d83538fca57b4d61a09f3614cd123bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:13.421285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103466/publication.txt
observed cac82e8805bf1221b52080dd98bfe5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.